Limestone (River Pebble)
Calcium Carbonate (CaCO3)
Category
Browse sedimentary specimens identified by the Rock Identifier community.
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (iron-rich)
Limestone
Calcium Carbonate (CaCO3)
Limestone (specifically Travertine or Tufa)
Calcium Carbonate (CaCO3)
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Chert (River Pebble)
Cryptocrystalline Quartz (SiO2)
Sandstone (Red Sandstone)
Arenite (predominantly SiO2 with Fe2O3 cement)
Sandstone
Arenite (SiO2 based with mineral cement)
Limestone (Pebble)
Calcium Carbonate (CaCO3)
Limestone
Calcium carbonate (CaCO3)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (SiO2 primarily)
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Sandstone (Ferruginous)
Arenite (Iron-rich)
Sandstone
Arenite (SiO2 principal component)
Sandstone (with Possible Iron Staining/Crust)
Arenite (SiO2 based)
Sandstone (Weathered Pebble)
Arenite (SiO2 primarily)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Crushed Limestone Aggregate
Limestone (Calcium Carbonate, CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limonite (Ironstone Concretion)
Hydrous ferric oxides (FeO(OH)·nH2O)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (likely Arkose)
Arenite (composed mainly of SiO2 with Feldspar)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartz-rich)
Arenite (SiO2 based)
Sandstone
Arenite (often composed of Quartz, SiO2)
Sandstone (likely Arkosic or Quartzose)
Sandstone (SiO2 with inclusions)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite
Septarian Nodule (Dragon Stone)
Septarian Concretion (CaCO3 with Calcite, Aragonite, and Limestone/Bentonite)
Limestone (River Stone)
Limestone (Calcium Carbonate, CaCO3)
Banded Chert
Silicon Dioxide (SiO2)
Sandstone (Pebble)
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2 with various cementing agents)
Sandstone Pebble
Arenite (primarily Quartz, SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Sandstone (Quartzite-rich Pebble)
Arenite (primarily SiO2)